Which of the Following Statement Is True

Multiple Choice

Which of the following statement is true?

A) In each period,except for measurement errors,the current account balance and the capital account balance must sum to zero.
B) In each period,except for measurement errors,the sum of the current account balance and the capital account balance must be positive.
C) In each period,except for measurement errors,the sum of the current account balance and the capital account balance must be negative.
D) In each period,except for measurement errors,the sum of the current account balance and the capital account balance may be positive or negative.